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Rochester in July

Find out everything about the water temperature in Rochester in July. Average, minimum and maximum recorded temperatures as well as daily temperature in July for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in July
Minimum:

61.2 °F

Average:

66.3 °F

Maximum:

72.1 °F

Sea water temperature in Rochester in July

In the city of Rochester, the month of July is somewhat comfortable for swimming. The minimum recorded temperature during this month was 61.2°F on July 2, 2021, with an average temperature being 66.3°F and a maximum temperature reaching 72.1°F on July 27, 2018.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In July, the sea temperature remains relatively stable. The average temperature stays close to 66.3°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Jul 1 64.8°F 68.3°F 64.6°F
Jul 2 64.8°F 69.4°F 64.5°F
Jul 3 64.8°F 68.8°F 64.6°F
Jul 4 64.8°F 69.4°F 63.0°F
Jul 5 64.8°F 70.8°F 64.9°F
Jul 6 65.0°F 69.2°F 64.7°F
Jul 7 65.1°F 69.2°F 63.8°F
Jul 8 64.8°F 68.4°F 63.3°F
Jul 9 65.1°F 67.6°F 63.2°F
Jul 10 65.2°F 67.7°F 63.9°F
Jul 11 65.5°F 67.7°F 63.8°F
Jul 12 65.5°F 67.5°F 63.8°F
Jul 13 66.0°F 69.2°F 63.8°F
Jul 14 66.0°F 68.6°F 64.3°F
Jul 15 65.9°F 68.2°F 63.9°F
Jul 16 65.7°F 68.6°F 64.0°F
Jul 17 65.8°F 67.9°F 63.1°F
Jul 18 66.3°F 68.6°F 63.6°F
Jul 19 66.7°F 68.3°F 65.0°F
Jul 20 67.2°F 68.1°F 65.7°F
Jul 21 67.2°F 68.3°F 66.1°F
Jul 22 67.6°F 68.1°F 65.7°F
Jul 23 67.6°F 67.2°F 65.9°F
Jul 24 67.8°F 67.7°F 66.1°F
Jul 25 68.1°F 67.9°F 66.4°F
Jul 26 68.0°F 68.2°F 66.7°F
Jul 27 68.2°F 69.0°F 66.5°F
Jul 28 67.9°F 67.8°F 65.9°F
Jul 29 67.7°F 67.5°F 65.7°F
Jul 30 67.6°F 66.8°F 67.0°F
Jul 31 67.6°F 67.0°F 67.4°F

Sea water temperature in Rochester by month

In an average year, Rochester offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Rochester was recorded on August 16, 2022, reaching a 72.3°F. While the coldest temperature occurred on January 8, 2026, dipping to 39.3°F. The average readings by season are 44.1°F in Winter, 49.9°F in Spring, 65.2°F in Summer, and 57.9°F in Autumn. The average temperature in July is slightly warmer than June's average of 62.0°F. And in August, the temperature is expected to rise further, potentially reaching an average of 67.2°F.